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(: Test: K-YearMonthDurationSubtract-1                   :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: Simple test of substraction an xs:yearMonthDuration with P0M. :)
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xs:yearMonthDuration("P3Y3M") - xs:yearMonthDuration("P0M")
			   eq xs:yearMonthDuration("P3Y3M")